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Satoshi Nagata
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Proceedings Papers

FEM Stress Analysis and Leakage Behavior of Pipe-Socket Threaded Joints Subjected to Bending Moment and Internal Pressure

Satoshi Nagata, Shinichi Fujita, Toshiyuki Sawa
Proc. ASME. PVP2020, Volume 2: Computer Technology and Bolted Joints, V002T02A017, August 3, 2020
Publisher: American Society of Mechanical Engineers
Paper No: PVP2020-21221
https://doi.org/10.1115/PVP2020-21221
View Paper titled, FEM Stress Analysis and Leakage Behavior of Pipe-Socket Threaded Joints Subjected to Bending Moment and Internal Pressure
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Topics: Finite element methods, Finite element model, Leakage, Pipes, Pressure, Stress analysis (Engineering)
Proceedings Papers

A Comparative Study on Mechanical Behavior of Pipe-Socket Threaded Joints With Taper-Taper Threads and Taper-Parallel Threads Combinations by Finite Element Analysis and Experiments

Satoshi Nagata, Shinichi Fujita, Toshiyuki Sawa
Proc. ASME. PVP2018, Volume 2: Computer Technology and Bolted Joints, V002T02A028, July 15–20, 2018
Publisher: American Society of Mechanical Engineers
Paper No: PVP2018-84657
https://doi.org/10.1115/PVP2018-84657
View Paper titled, A Comparative Study on Mechanical Behavior of Pipe-Socket Threaded Joints With Taper-Taper Threads and Taper-Parallel Threads Combinations by Finite Element Analysis and Experiments
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Topics: Finite element analysis, Mechanical behavior, Pipes, Thread, Pressure, Leakage, Fittings, Stress, Pipe couplings, Pressure pipes
Proceedings Papers

Buckling Strength of Towers Having Partial Metal Loss on Shell Under Overturning Moment

Masayuki Ozaki, Atsushi Yamaguchi, Takuyo Kaida, Satoshi Nagata
Proc. ASME. PVP2015, Volume 1A: Codes and Standards, V01AT01A005, July 19–23, 2015
Publisher: American Society of Mechanical Engineers
Paper No: PVP2015-45842
https://doi.org/10.1115/PVP2015-45842
View Paper titled, Buckling Strength of Towers Having Partial Metal Loss on Shell Under Overturning Moment
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Topics: Buckling, Metals, Shells, Stress, American Petroleum Institute, Finite element analysis, Fitness-for-service, NASA, Pressure equipment, Reliability
Proceedings Papers

Calculation of Maximum Allowable Bending Moment on Pipe Flange Connection for Leak Tightness Design

Satoshi Nagata
Proc. ASME. PVP2015, Volume 2: Computer Technology and Bolted Joints, V002T02A029, July 19–23, 2015
Publisher: American Society of Mechanical Engineers
Paper No: PVP2015-45881
https://doi.org/10.1115/PVP2015-45881
View Paper titled, Calculation of Maximum Allowable Bending Moment on Pipe Flange Connection for Leak Tightness Design
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Topics: Design, Flange connections, Leakage, Pipes, Pressure, Stress, Gaskets, Piping design
Proceedings Papers

FFS Assessment for Material Degradion due to Fire Damage of Pressure Equipment

Tsutomu Kikuchi, Tomoyuki Kurihara, Toru Nishikawa, Tomoyuki Fujishiro, Satoshi Nagata, Hidenori Murata
Proc. ASME. PVP2013, Volume 7: Operations, Applications and Components, V007T07A029, July 14–18, 2013
Publisher: American Society of Mechanical Engineers
Paper No: PVP2013-97198
https://doi.org/10.1115/PVP2013-97198
View Paper titled, FFS Assessment for Material Degradion due to Fire Damage of Pressure Equipment
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Topics: Damage, Fire, Fitness-for-service, Pressure equipment, Heat, Mechanical properties, Metallurgical analysis, Photography, American Petroleum Institute, Carbon steel
Proceedings Papers

Development of Design Procedure for Gasketed Pipe Flange Connections Based on Allowable Leak Rates

Satoshi Nagata, Yasuro Oyama, Toshiyuki Sawa, Takashi Kobayashi, Ryou Kurosawa
Proc. ASME. PVP2013, Volume 2: Computer Technology and Bolted Joints, V002T02A017, July 14–18, 2013
Publisher: American Society of Mechanical Engineers
Paper No: PVP2013-97861
https://doi.org/10.1115/PVP2013-97861
View Paper titled, Development of Design Procedure for Gasketed Pipe Flange Connections Based on Allowable Leak Rates
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Topics: Design, Flange connections, Leakage, Pipes, Flanges, Gaskets, High pressure (Physics), Pressure equipment, Sealing (Process), Temperature
Proceedings Papers

Fitness-For-Service Assessment of Pressure Equipments With Local Metal Loss Subjected to Seismic Loading

Takashi Yamamoto, Takuyo Kaida, Satoshi Nagata, Hirokazu Tsuji
Proc. ASME. PVP2013, Volume 8: Seismic Engineering, V008T08A025, July 14–18, 2013
Publisher: American Society of Mechanical Engineers
Paper No: PVP2013-97308
https://doi.org/10.1115/PVP2013-97308
View Paper titled, Fitness-For-Service Assessment of Pressure Equipments With Local Metal Loss Subjected to Seismic Loading
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Topics: Fitness-for-service, Metals, Pressure, Stress, Safety, Temperature, American Petroleum Institute, Corrosion, Damage, Earthquake resistant design
Proceedings Papers

Finite Element Stress Analysis for Leak Tests of Pipe Flange Connections Subject to Internal Pressure and Bending Moment

Satoshi Nagata, Toshiyuki Sawa, Takashi Kobayashi, Hirokazu Tsuji
Proc. ASME. PVP2011, Volume 2: Computer Technology and Bolted Joints, 187-196, July 17–21, 2011
Publisher: American Society of Mechanical Engineers
Paper No: PVP2011-57737
https://doi.org/10.1115/PVP2011-57737
View Paper titled, Finite Element Stress Analysis for Leak Tests of Pipe Flange Connections Subject to Internal Pressure and Bending Moment
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Topics: Finite element analysis, Flange connections, Leakage, Pipes, Pressure, Stress analysis (Engineering), Sealing (Process), Flanges, Helium, Junctions
Proceedings Papers

Leak Tightness Based Design Procedure for Gasketed Pipe Flange Connections

Toshiyuki Sawa, Takashi Kobayashi, Hirokazu Tsuji, Satoshi Nagata
Proc. ASME. PVP2011, Volume 3: Design and Analysis, 113-122, July 17–21, 2011
Publisher: American Society of Mechanical Engineers
Paper No: PVP2011-57738
https://doi.org/10.1115/PVP2011-57738
View Paper titled, Leak Tightness Based Design Procedure for Gasketed Pipe Flange Connections
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Topics: Design, Flange connections, Leakage, Pipes, Gaskets, Flanges, Pressure, High pressure (Physics), Rotation, Sealing (Process)
Proceedings Papers

Stress and Deformation Analyses of Flanges Subjected to Bolt Loads and Internal Pressure

Takashi Kobayashi, Kota Hamano, Tsutomu Kikuchi, Toshiyuki Sawa, Satoshi Nagata
Proc. ASME. PVP2010, ASME 2010 Pressure Vessels and Piping Conference: Volume 3, 81-88, July 18–22, 2010
Publisher: American Society of Mechanical Engineers
Paper No: PVP2010-25622
https://doi.org/10.1115/PVP2010-25622
View Paper titled, Stress and Deformation Analyses of Flanges Subjected to Bolt Loads and Internal Pressure
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Topics: Deformation, Flanges, Pressure, Stress, Computer software, Design, Flange connections, Finite element methods, Pipes, Databases
Proceedings Papers

Sealing Performance Test of Slip-On Type Pipe Flange Connections Subject to Internal Pressure and Bending Moment

Satoshi Nagata, Takashi Kobayashi, Hirokazu Tsuji, Toshiyuki Sawa
Proc. ASME. PVP2010, ASME 2010 Pressure Vessels and Piping Conference: Volume 2, 257-262, July 18–22, 2010
Publisher: American Society of Mechanical Engineers
Paper No: PVP2010-25239
https://doi.org/10.1115/PVP2010-25239
View Paper titled, Sealing Performance Test of Slip-On Type Pipe Flange Connections Subject to Internal Pressure and Bending Moment
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Topics: Flange connections, Pipes, Pressure, Sealing (Process), Testing performance, Flanges, Helium, Junctions, Leakage, Mechanical behavior
Proceedings Papers

Application of Plastic Region Bolt Tightening to Flange Joint Assembly: Behavior of Compact Flanged Joint Subjected to Thermal Load

Shinobu Kaneda, Yoshiyasu Shimizu, Satoshi Nagata, Hirokazu Tsuji
Proc. ASME. PVP2010, ASME 2010 Pressure Vessels and Piping Conference: Volume 2, 433-439, July 18–22, 2010
Publisher: American Society of Mechanical Engineers
Paper No: PVP2010-25990
https://doi.org/10.1115/PVP2010-25990
View Paper titled, Application of Plastic Region Bolt Tightening to Flange Joint Assembly: Behavior of Compact Flanged Joint Subjected to Thermal Load
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Topics: Flanges, Manufacturing, Stress, Temperature, Fluids, Elastic moduli, Gaskets, Rotation, Stiffness, Thermal expansion
Proceedings Papers

A Simple Analysis and Design Method of Bolted Pipe Flange Connections With Gaskets Under Internal Pressure

Yasuro Oyama, Toshiyuki Sawa, Takashi Kobayashi, Satoshi Nagata
Proc. ASME. PVP2009, Volume 2: Computer Applications/Technology and Bolted Joints, 169-176, July 26–30, 2009
Publisher: American Society of Mechanical Engineers
Paper No: PVP2009-77589
https://doi.org/10.1115/PVP2009-77589
View Paper titled, A Simple Analysis and Design Method of Bolted Pipe Flange Connections With Gaskets Under Internal Pressure
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Topics: Design methodology, Flange connections, Gaskets, Pipes, Pressure, Computational methods, Design, Leakage, Stress, Flanges
Proceedings Papers

Stress Analysis and a Design Method for Bolted Pipe Flanged Joints Subjected to Internal Pressure

Toshiyuki Sawa, Takashi Kobayashi, Hirokazu Tsuji, Satoshi Nagata
Proc. ASME. PVP2009, Volume 2: Computer Applications/Technology and Bolted Joints, 157-167, July 26–30, 2009
Publisher: American Society of Mechanical Engineers
Paper No: PVP2009-77587
https://doi.org/10.1115/PVP2009-77587
View Paper titled, Stress Analysis and a Design Method for Bolted Pipe Flanged Joints Subjected to Internal Pressure
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Topics: Design methodology, Pipes, Pressure, Stress analysis (Engineering), Stress, Flange connections, Flanges, Gaskets, Leakage, Finite element analysis
Proceedings Papers

Three Dimensional Elastic-Plastic Finite Element Simulation on Bolt Tightening Beyond Yield

Satoshi Nagata, Shinobu Kaneda, Hirokazu Tsuji, Toshiyuki Sawa
Proc. ASME. PVP2009, Volume 2: Computer Applications/Technology and Bolted Joints, 201-206, July 26–30, 2009
Publisher: American Society of Mechanical Engineers
Paper No: PVP2009-77689
https://doi.org/10.1115/PVP2009-77689
View Paper titled, Three Dimensional Elastic-Plastic Finite Element Simulation on Bolt Tightening Beyond Yield
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Topics: Finite element analysis, Simulation, Thread, Torque, Bearings, Stress analysis (Engineering), Contact mechanics, Elastic analysis, Finite element model, Shapes
Proceedings Papers

Deformation Characteristics of Pipe Flanges Due to Bolt Loads and Internal Pressure

Takashi Kobayashi, Kota Hamano, Tsutomu Kikuchi, Toshiyuki Sawa, Satoshi Nagata
Proc. ASME. PVP2009, Volume 3: Design and Analysis, 925-932, July 26–30, 2009
Publisher: American Society of Mechanical Engineers
Paper No: PVP2009-77638
https://doi.org/10.1115/PVP2009-77638
View Paper titled, Deformation Characteristics of Pipe Flanges Due to Bolt Loads and Internal Pressure
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Topics: Deformation, Flanges, Pipes, Pressure, Stress, Computer software, Design, Flange connections, Finite element methods, Databases
Proceedings Papers

Comparison of Flange Stress Calculated by ASME Design Code and Finite Element Analysis

Satoshi Nagata, Toshiyuki Sawa
Proc. ASME. PVP2007, Volume 2: Computer Applications/Technology and Bolted Joints, 245-252, July 22–26, 2007
Publisher: American Society of Mechanical Engineers
Paper No: PVP2007-26456
https://doi.org/10.1115/PVP2007-26456
View Paper titled, Comparison of Flange Stress Calculated by ASME Design Code and Finite Element Analysis
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Topics: Design, Finite element analysis, Flanges, Stress, Water, ASME Standards, Computational methods, Design methodology, Gaskets, Leakage
Proceedings Papers

The Effect of Clamping Force and Material Properties on the Tightness Performance a Flexible Box-Shaped Flange Bolted Joint

Ryou Kurosawa, Toshiyuki Sawa, Satoshi Nagata, Yasuaki Tatsumi
Proc. ASME. PVP2008, Volume 2: Computer Applications/Technology and Bolted Joints, 61-68, July 27–31, 2008
Publisher: American Society of Mechanical Engineers
Paper No: PVP2008-61414
https://doi.org/10.1115/PVP2008-61414
View Paper titled, The Effect of Clamping Force and Material Properties on the Tightness Performance a Flexible Box-Shaped Flange Bolted Joint
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Topics: Bolted joints, Flanges, Materials properties, Gaskets, Flange connections, Pressure, Sealing (Process), Stress, Finite element methods, Leakage
Proceedings Papers

Effects of Temperature Change on Bolt Load and Gasket Load of Bolted Flange Connection With Ring Type Joint Gasket

Satoshi Nagata, Toshiyuki Sawa
Proc. ASME. PVP2008, Volume 2: Computer Applications/Technology and Bolted Joints, 69-74, July 27–31, 2008
Publisher: American Society of Mechanical Engineers
Paper No: PVP2008-61418
https://doi.org/10.1115/PVP2008-61418
View Paper titled, Effects of Temperature Change on Bolt Load and Gasket Load of Bolted Flange Connection With Ring Type Joint Gasket
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Topics: Bolted flanges, Gaskets, Stress, Temperature effects, Flanges, Flange connections, Temperature, Alloys, Elastic analysis, Finite element analysis
Proceedings Papers

A Simplified Modeling of Gasket Stress-Strain Curve for FEM Analysis in Bolted Flange Joint Design

Satoshi Nagata, Yasumasa Shoji, Toshiyuki Sawa
Proc. ASME. PVP2002, Analysis of Bolted Joints, 53-58, August 5–9, 2002
Publisher: American Society of Mechanical Engineers
Paper No: PVP2002-1082
https://doi.org/10.1115/PVP2002-1082
View Paper titled, A Simplified Modeling of Gasket Stress-Strain Curve for FEM Analysis in Bolted Flange Joint Design
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Topics: Bolted flanges, Design, Finite element methods, Finite element model, Gaskets, Modeling, Stress-strain curves, Elastic moduli, Flanges, Approximation